import { mapGetters } from 'vuex'
export default {
  computed:{
    ...mapGetters('m_cart', ['total'])
  },
  watch: {
    total() {
      this.setBage()
    }
  },
  onShow() {
    this.setBage()
  },
  methods:{
    setBage () {
      uni.setTabBarBadge({
        index: 2,
        text: this.total + ''
      })
    }
  }
}
